The fuel injectors can fail and cause drivability problems. Often there is no Check Engine light and the failures can be caused by corrosion of the connector, clogging beyond the point of cleaning, and/or internal failures.

My xterra has started being very particular about when it will start. It starts fine when it is cold, but once the engine is warm, if I turn it off, it will not start again until it cools down. At first, I thought it was a battery issue. There was that dying battery sound before the starter engag...

After an instant overheat & engine shut down my 2003 Nissan Xterra (137K miles) was diagnosed as having blown H2O pump & thermostat that were replaced along with tensioner, belts, radiator hoses & fluids. 4 days later it overheated again on highway (smoking this time) & same servi...

Nissan is recalling 2002–2004 Frontier and Exterra models due to corrosion in the lower steering column joint that can limit movement of the joint, resulting in excessive load. This can lead to cracking of the shaft, which may result in loss of steering control, increasing the risk of a crash. Nissan will replace the steering column shaft and joint with a different design, free of charge.

ON CERTAIN PICKUP TRUCKS EQUIPPED WITH SIX CYLINDER ENGINES AND SPORT UTILITY VEHICLES EQUIPPED WITH FOUR OR SIX CYLINDER ENGINES, THE FUEL PUMP TERMINAL ON THE FUEL-SENDING UNIT CAN DEVELOP A CRACK IN THE PLASTIC MOLDING. THIS CAN CAUSE THE TERMINAL STRIP TO CORRODE UNDER SOME ENVIRONMENTAL CON...

Exhaust & Emissions* I need to see how i get to the knock senser and change it.

First, if you have one, go to the dealer and get all of the recall work done immediately.I had a 2003 that I bought with 17,000 mi. Great SUV when properly maintained. LOVED it. The steering broke (a recall problem), causing a wreck which broke the frame. Nissan wouldn't pay. Big surprise! (It now has 106,000 mi, and is still parked in driveway).
I loved it so much that I just bought anothe...